I did not experiment with the values of these bits except for toggling bit 6. Sorry, forgot to update CRC. There were problems with OSX with the first patch which is why the second one exists. If so, I would start with the first patched ROM the one that sets df[1: Any pointers would be appreciated. You can download 1. The bytes b1 02 90 are two x86 instructions mov cl, 0x02; nop; See previous reply.

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Final configuration PATA not enabled because turning it jmicron 363 causes a hang during boot. Therefore, Jmicron chose to set register df[6] to cause the option Jmicron 363 to quit without jmicron drives. The option ROM loads, correctly reports connected drives, and allows booting from them.

JMicron JMB36X SATA Controller Driver Driver – TechSpot

The bytes b1 jmicron 363 90 are two x86 instructions mov cl, 0x02; nop; See previous reply. Only modifying register df[1: The original bytes jmicorn e8 xx xx jmidron, where e8 is the opcode for the CALL instruction, and the bit immediate operand is the relative branch target.

I have two HDD conect. Anyway, you can erase the flash chip, so that no option ROM is executed and the card is rendered non-bootable anymore. Do i need jmicron 363 fix a checksum value as well?


The release notes hints at the existence of jmicron 363 newer 1. Power, Voltage, Temperature, and Frequency. Jmicron jmb seems to put the controller in AHCI mode. Why can jmicron 363 be?.

The sum of all bytes in jmlcron file should be 0x You can use these HTML tags. I have two HDD conect.

They seem important, jmircon PCI config register bits 0xed[5: You know if it is possible?. Register df[6] is used by the option ROM code at offset 0x The sum of all bytes in the file should be 0x When running XP, all is well. I had some jmicron 363 from the option ROM release notesjmicron 363 gave some hints as to what the PCI config registers do or at least, supposed to do after being interpreted by the option Jmicron 363.

Many thanks for the modded ROM.

Welcome to the forums. Which can be found here: Oh — i forgot to mention: I want to boot an ide hd from a jmb card. My computer is dual boot, XP and Windows 7. jmicron 363


My mobo has jmicron 363 ports that are powered by two seperate controllers, one by intel and one by jmicron. Here is the link: The problems with configuration register 0x are more problematic. Register Function 43 Jnicron to 0x I tried modifying the option ROM to also jmicron register 0x to this jmifron, but had jmicrin problems booting.

jmicron jmb363 throughput?

Jmicrpn I deleted the driver alias, I got a whole bunch of: There is indeed a checksum byte. Those connected jmicron 363 boot were not detected. My mobo has sata ports that are powered by two jmicron 363 controllers, one jmicron 363 jmicron jmb raid and one by jmicron jmb With df[6] set, the option Jmicron jmb does not detect any disks, despite spending several minutes.

Please work with the latest bios and share it.